It's five years ____I came to this townA since B when C before D until答案是A如果选A这里不应该用it has been 吗还是’S 是省略什么呢求解释

分类: 作业答案 • 2022-01-04 11:40:12

问题描述：

It's five years ____I came to this town
A since B when C before D until
答案是A
如果选A这里不应该用it has been 吗还是’S 是省略什么呢
求解释

答

It's five years ____I came to this townA since B when C before D until答案是A如果选A这里不应该用it has been 吗 还是’S 是省略什么呢求解释